Java tutorial
/******************************************************************************* * Copyright (c) 2014 BitRangers (Team C1). * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * BitRangers (Team C1) - initial API and implementation ******************************************************************************/ package com.bitranger.parknshop.admin.data; import java.sql.Timestamp; import java.util.List; import org.hibernate.LockMode; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.context.ApplicationContext; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; /** * A data access object (DAO) providing persistence and search support for * PsAdminAcc entities. Transaction control of the save(), update() and delete() * operations can directly support Spring container-managed transactions or they * can be augmented to handle user-managed Spring transactions. Each of these * methods provides additional information for how to configure it for the * desired type of transaction control. * * @see PsAdminAcc * @author MyEclipse Persistence Tools */ public class PsAdminAccDAO extends HibernateDaoSupport { private static final Logger log = LoggerFactory.getLogger(PsAdminAccDAO.class); // property constants public static final String AMOUNT = "amount"; protected void initDao() { // do nothing } public void save(PsAdminAcc transientInstance) { log.debug("saving PsAdminAcc instance"); try { getHibernateTemplate().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } } public void delete(PsAdminAcc persistentInstance) { log.debug("deleting PsAdminAcc instance"); try { getHibernateTemplate().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } public void update(PsAdminAcc persistentInstance) { log.debug("deleting PsAdminAcc instance"); try { getHibernateTemplate().update(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } public PsAdminAcc findById(java.lang.Integer id) { log.debug("getting PsAdminAcc instance with id: " + id); try { PsAdminAcc instance = (PsAdminAcc) getHibernateTemplate() .get("com.bitranger.parknshop.admin.data.PsAdminAcc", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } public List<PsAdminAcc> findByExample(PsAdminAcc instance) { log.debug("finding PsAdminAcc instance by example"); try { List<PsAdminAcc> results = (List<PsAdminAcc>) getHibernateTemplate().findByExample(instance); log.debug("find by example successful, result size: " + results.size()); return results; } catch (RuntimeException re) { log.error("find by example failed", re); throw re; } } public List findByProperty(String propertyName, Object value) { log.debug("finding PsAdminAcc instance with property: " + propertyName + ", value: " + value); try { String queryString = "from PsAdminAcc as model where model." + propertyName + "= ?"; return getHibernateTemplate().find(queryString, value); } catch (RuntimeException re) { log.error("find by property name failed", re); throw re; } } public List<PsAdminAcc> findByAmount(Object amount) { return findByProperty(AMOUNT, amount); } public List findAll() { log.debug("finding all PsAdminAcc instances"); try { String queryString = "from PsAdminAcc"; return getHibernateTemplate().find(queryString); } catch (RuntimeException re) { log.error("find all failed", re); throw re; } } public PsAdminAcc merge(PsAdminAcc detachedInstance) { log.debug("merging PsAdminAcc instance"); try { PsAdminAcc result = (PsAdminAcc) getHibernateTemplate().merge(detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } } public void attachDirty(PsAdminAcc instance) { log.debug("attaching dirty PsAdminAcc instance"); try { getHibernateTemplate().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public void attachClean(PsAdminAcc instance) { log.debug("attaching clean PsAdminAcc instance"); try { getHibernateTemplate().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public static PsAdminAccDAO getFromApplicationContext(ApplicationContext ctx) { return (PsAdminAccDAO) ctx.getBean("PsAdminAccDAO"); } }